??1.7??????????? ????????2.6???

????:?????:???????100??

??,??????????????1.7????????????????,??6.3???????????1??????????10???,????????????????????????????????????????????2.6???????

?????????????????????????,??,????????“??”,???????,??????????,?“???”??????????????????“???”?

? ??:“?”????????“????”??,???????????????

???????????,????????????????????“??????”???,??????????1000?????????????????,?,????????“??????????????????????????????????”??,????????

????,??????????????????,?????????????“??”????????????????“???????????”????,?????

???????? ?????????:??28.6????,??????????????????700?????,????8500????,????????????12???(??) ?????:???